United States patent 1,812,685. Issued 1931-06-30. Filed 1927-06-03 as application serial number 196,196. Edward Cheshire. "Composing Room Machine." [Combined router, type-high machine, drill, jig-saw,and broacher] NOTE: the correct patent number is 1,812,685. The URL for this page encodes "1813685"; this is a typographical error, but it's easier to leave it than to fix it.
"The present invention contemplates a combined machine having the function of a router, type-high machine, drill, jig-saw and broacher ..."